The following events in the history of psychology took place in 1900.
- William Stern publishes On the Psychology of the Individual Differences
- Carl G. Jung is appointed Bleuler's assistant
- The first volume of Wundt's Völkerpsychologie appears
- Sigmund Freud publishes The Interpretation of Dreams
1895 - 1896 - 1897 - 1898 - 1899 - 1900 - 1901 - 1902 - 1903 - 1904 - 1905